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Thread: Gearing up

  1. #1
    Join Date
    May 2007
    Location
    Kansas City, Missouri
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    13,464

    Gearing up

    Last night I decided to play around with a couple of the gear generation programs to see what I could create on the cnc.

    The two I played with were an online version and a software version for windows.

    The online version one is free and pretty nice to use, but only outputs in svg format, so for my needs I'd have to convert each file for use. This was pretty easy to do, though I found I needed to turn off a few options, like the gear guides as they also exported in the .svg file. To convert the .svg file, simply open it in Inkscape and save as an .eps (encapsulated post script) file and it will import into Vectric as a vector drawing file. I do like the way it allows more than 2 gears and the fact you can add and rpm and see the affects on the other gears.

    http://geargenerator.com/

    The other software version I played with was the one from Wood Gears (http://woodgears.ca/gear/) which had quite a few more gear varieties to play with, including a rack/pinion style. It has built in functions to export to .dxf and Sketchup, as well as several other image/data formats. After playing around with the free version for a while, I decided to pay the $26 for the program. It didn't have a feature to show the rpm, or what I'd rather see is the ratio in relation to the two gears, but may put in a feature request to see if he'll add that.

    So this morning I spent a little time cutting out a couple of samples using a 1/8" end mill on some baltic birch. Here are the results:
    Click image for larger version. 

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    After breaking the tabs and filing them down flush I screwed the gears to my spoil board for a quick test. I had the little gear a little tight and it shows in the video below.
    Click image for larger version. 

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    Darren

    To a small child, the perfect granddad is unafraid of big dogs and fierce storms but absolutely terrified of the word “boo.” – Robert Brault

  2. #2
    Join Date
    Aug 2007
    Location
    Reno NV
    Posts
    13,364
    Very cool.

    Now I want to know what you are going to make with it!
    Programmer - An organism that turns coffee into software.
    If all your friends are exactly like you, What an un-interesting life it must be.
    "A door is what a dog is perpetually on the wrong side of" Ogden Nash


  3. #3
    Join Date
    Jul 2011
    Location
    The Gorge Area, Oregon
    Posts
    4,701


    However I'm officially at this point.

  4. #4
    Join Date
    Oct 2006
    Location
    somewhere east of Queen Creek, AZ - South East of Phoenix
    Posts
    8,529
    Cool Darren, just a note on spacing the gears I was always taught the the teeth on one gear should not bottom out in the other gear it looks like yours could be move a slight amount.
    "There’s a lot of work being done today that doesn’t have any soul in it. The technique may be the utmost perfection, yet it is lifeless. It doesn’t have a soul. I hope my furniture has a soul to it." - Sam Maloof
    The Pessimist complains about the wind; The Optimist expects it to change;The Realist adjusts the sails.~ William Arthur Ward

  5. #5
    Join Date
    May 2007
    Location
    Thomasville, GA
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    6,000
    Quote Originally Posted by Brent Dowell View Post
    Very cool.

    Now I want to know what you are going to make with it!
    Well.....ya got your basic clock.

    Click image for larger version. 

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    Bill Arnold
    Citizen of Texas residing in Georgia.
    NRA Life Member and Member of Mensa
    My Weather Underground station

  6. #6
    Join Date
    Feb 2008
    Location
    East Freeetown, Massachusetts
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    3,022
    Quote Originally Posted by Brent Dowell View Post
    Very cool.

    Now I want to know what you are going to make with it!

    Why did the mountain get climbed? Because it was there!!!

    Why did Darren make the gear - because he could!!!

  7. #7
    Join Date
    Jun 2008
    Location
    GTA Ontario Canada
    Posts
    12,264
    Way too cool color me greeeen then purple with envy.


    Sent from my SGH-I337M using Tapatalk
    cheers

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